<template>
  <view class="goodS-item">

    <!-- 左侧的盒子 -->
    <view class="goods-item-left">
      <radio @click="radioClickHandler" :checked="goods.goods_state" color="#c00000" v-if="showRadio"></radio>
      <image :src="goods.goods_small_logo || defaultPic" class="goods-pic" mode=""></image>
    </view>

    <!-- 右侧的盒子 -->
    <view class="goods-item-right">
      <!-- 商品的名字 -->
      <view class="goods-name">
        {{goods.goods_name}}
      </view>
      <!-- 商品价格 -->
      <view class="goods-info-box">
        <view class="goods-price">
          ￥{{goods.goods_price | tofixed}}
        </view>
        <uni-number-box @change="numChangeHandler" v-if="showNum" :min="1" :value="goods.goods_count"></uni-number-box>
      </view>
    </view>

  </view>
</template>

<script>
export default {
  name: 'my-goods',
  props: {
    goods: {
      type: Object,
      defaul: {},
    },
    // 是否展示图片左侧的 radio
    showRadio: {
      type: Boolean,
      // 如果外界没有指定 show-radio 属性的值，则默认不展示 radio 组件
      default: false,
    },
    showNum: {
      type: Boolean,
      default: false
    }
  },
  data () {

    return {
      // 默认的空图片
      defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
    };
  },
  filters: {
    tofixed (num) {
      return Number(num).toFixed(2)
    }
  },
  methods: {
    // radio 组件的点击事件处理函数
    radioClickHandler () {
      // 通过 this.$emit() 触发外界通过 @ 绑定的 radio-change 事件，
      // 同时把商品的 Id 和 勾选状态 作为参数传递给 radio-change 事件处理函数
      //传参
      this.$emit('radio-change', {
        // 商品的 Id
        goods_id: this.goods.goods_id,
        // 商品最新的勾选状态
        goods_state: !this.goods.goods_state
      })
    },
    numChangeHandler (val) {
      // console.log(val);商品数量
      this.$emit('num-change', {
        goods_id: this.goods.goods_id,
        goods_count: +val
      })

    }
  }
}
</script>

<style lang="scss">
.goodS-item {
  width: 750rpx;
  box-sizing: border-box;
  display: flex;
  padding: 10px 5px;
  border-bottom: 1px solid #f0f0f0;

  .goods-item-left {
    margin-right: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;

    .goods-pic {
      width: 100px;
      height: 100px;
      display: block;
    }
  }

  .goods-item-right {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
    }

    .goods-info-box {
      display: flex;
      justify-content: space-between;
      align-items: center;

      .goods-price {
        font-size: 16px;
        color: #c00000;
      }
    }
  }
}
</style>
